1Parameter of specifications
Model  YZ-I  YZ-II
Type  one bucket  two buckets
Milking machine  Pulse style  pneumatic pulsator
 Pulse rhythm  single rhythm / double rhythms
 Pulse frequency  64-75 times / min
 Working vacuum  50 kPa.
 Productivity  10-12 head of cattle / h  20-24 head of cattle / h
Vacuum pump  Air current quantity  12m3/h
 Supporting dynamic  110V, 60Hz, 0.55 kW /0.75kW.
 Rotational speed  1440 RPM
2Main structure
The milking machine is mainly composed of vacuum pump unit, milking device and chassis. Figure 1 shows the installation of the main component parts:
(1)chassis (2)Surge tank
(3)vacuum pump (4)electric motor
(5)silencer (6) pulsator
(7)vacuum meter (8) milking claw
(9)vacuum regulator (10)rubber tube
(11)milk bucket